530400423 has 8 divisors (see below), whose sum is σ = 808229248. Its totient is φ = 303085944.

The previous prime is 530400413. The next prime is 530400427. The reversal of 530400423 is 324004035.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 530400423 - 2¹⁴ = 530384039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 25257163 = 530400423 / (5 + 3 + 0 + 4 + 0 + 0 + 4 + 2 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 530400423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530400427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12628561 + ... + 12628602.

It is an arithmetic number, because the mean of its divisors is an integer number (101028656).

Almost surely, 2^530400423 is an apocalyptic number.

530400423 is a deficient number, since it is larger than the sum of its proper divisors (277828825).

530400423 is a wasteful number, since it uses less digits than its factorization.

530400423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25257173.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 530400423 is about 23030.4238562819. The cubic root of 530400423 is about 809.4709866891.

Adding to 530400423 its reverse (324004035), we get a palindrome (854404458).

The spelling of 530400423 in words is "five hundred thirty million, four hundred thousand, four hundred twenty-three".